a car travel along straight line for first half time with speed 40 kilometre per hour and second half with speed 60 kilometre per hour find average speed of car
Answers
Answered by
3
Answer:
48km/hr
Explanation:
remember an easy formula for such types of questions
=2×V1×V2/ V1+V2
where 2×40×60/ 40+60
= 48
( use this formula only when the distance is equal in both intervals)
Similar questions